CBSE Class 8 Maths Square and Triangular Numbers

• To show the triplets in pythagorean of number 20,48,52  
• What is triangular numbers explain with examples 
• Is 62 is a square number?
• Can 160 toffees be divided among a group of students such that each student will get as many toffees as the number of students?
• Consider the numbers 26544, 187683, 3591025. Which of these numbers are obviously not perfect squares? Give reasons in support of your answer.
• Find all the perfect square numbers between 20 and 30.
• What will be the "one's place digit" in the square of the number 2345?
• How many non square numbers lie between the following pairs of numbers: (i) 80² and 81² (ii) 75² and 76²
• Which of the following numbers are triangular numbers? (i) 3 (ii) 8 (iii) 10 (iv) 12
• Write first 4 triangular numbers and verify that sum of two consecutive triangular numbers is a square number.

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